This is very much cherry picking, but Sam McWilliams in outings where he's faced 10 or fewer batters:
6 G, 15.1 IP, 8 H, 5 R, 4 ER, 5 BB, 1 HBP, 1 HR, 27 Ks, 2.35 ERA, 8.6% BB, 46.5% K
His fastball is averaging 96 MPH over 3ish inning outings. I think he might legitimately be a thing once they start shortening him up to 1-2 inning bursts.